207011680

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3259}}^1$

素因数の和:3671

約数の個数: 48

約数和(自身を含む): 490447440

約数和(自身を除く): 283435760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1985, 3176, 3259, 3970, 6352, 6518, 7940, 12704, 13036, 15880, 16295, 26072, 31760, 32590, 52144, 63520, 65180, 104288, 130360, 260720, 521440, 1293823, 2587646, 5175292, 6469115, 10350584, 12938230, 20701168, 25876460, 41402336, 51752920, 103505840, 207011680]

約数ペア:

[(1, 207011680), (2, 103505840), (4, 51752920), (5, 41402336), (8, 25876460), (10, 20701168), (16, 12938230), (20, 10350584), (32, 6469115), (40, 5175292), (80, 2587646), (160, 1293823), (397, 521440), (794, 260720), (1588, 130360), (1985, 104288), (3176, 65180), (3259, 63520), (3970, 52144), (6352, 32590), (6518, 31760), (7940, 26072), (12704, 16295), (13036, 15880)]